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[{"key": "dc.contributor.advisor", "value": "Marjom\u00e4ki, Timo", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Syrj\u00e4nen, Jukka", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Pohjola, Jan-Peter", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2018-09-03T06:07:55Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2018-09-03T06:07:55Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2018", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/59412", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Kalastuksen m\u00e4\u00e4r\u00e4n mittaaminen on olennainen osa kalastuksen ohjauksessa ja kalavesienhoidossa tarvittavassa tiedonkeruussa. T\u00e4ss\u00e4 tutkimuksessa hy\u00f6dynnettiin uudella tavalla osakaskuntien vuosikertomuksia kalastuksen m\u00e4\u00e4r\u00e4lliseen mittaamiseen. S\u00e4hk\u00f6iseen muotoon kirjattiin liki 1 500 keskisuomalaisen osakaskunnan vuosikertomusta vuosien 1966\u20142016 v\u00e4lilt\u00e4. T\u00e4st\u00e4 aineistosta valittiin 35 osakaskuntaa, joilta l\u00f6ytyi riitt\u00e4v\u00e4n kattava ja luotettava aineisto. Samalla saatiin mielenkiintoista historiallista tietoa kalastuksen kehityksest\u00e4 Keski-Suomessa yli 50 vuoden ajalta. Aineistosta oli ker\u00e4tt\u00e4viss\u00e4 saalistietoja eri kalalajien osalta ja tietoja kalastajien sek\u00e4 pyydysten m\u00e4\u00e4r\u00e4st\u00e4. Erityisen\u00e4 tarkastelukohteena tutkimuksessa olivat kalastaja- ja pyydysm\u00e4\u00e4r\u00e4t. Keski-Suomen kalastaja- ja pyydysm\u00e4\u00e4r\u00e4t olivat huipussaan 1990-luvun alussa ja esimerkiksi verkkom\u00e4\u00e4r\u00e4t lis\u00e4\u00e4ntyiv\u00e4t vuosina 1966\u20141994 yli 140 %. Vuosien 1994\u20142016 v\u00e4lill\u00e4 verkkom\u00e4\u00e4r\u00e4t olivat v\u00e4hentyneet n. 25 %. Tietoja verrattiin my\u00f6s toteutuneisiin kalaistutusm\u00e4\u00e4riin ja tarkasteltiin mahdollisia korrelaatioita. Saalism\u00e4\u00e4r\u00e4t noudattivat samaa trendi\u00e4 istutusm\u00e4\u00e4rien kanssa mutta kuhan osalta saalisrunsaus nousi, vaikka istutusm\u00e4\u00e4r\u00e4 laski. T\u00e4m\u00e4 kertoo kotiuttamisen onnistumisesta, kun kuha on monin paikoin istutusten my\u00f6t\u00e4 alkanut lis\u00e4\u00e4ntym\u00e4\u00e4n luonnollisesti.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2018-09-03T06:07:55Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2018-09-03T06:07:55Z (GMT). No. of bitstreams: 0\n Previous issue date: 2018", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "73", "language": "", "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.title", "value": "Kalastuksen muutokset Keski-Suomessa \u2014 osakaskuntien raportoinnin hy\u00f6dynt\u00e4minen", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201809033998", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Bio- ja ymp\u00e4rist\u00f6tieteiden laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Biological and Environmental Science", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Akvaattiset tieteet", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Aquatic sciences", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": 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